Figure 1. Cooperation across experimental conditions for Experiment 1.
Each dot represents the mean amount of money donated to the group investment (dollars). Error bars are +/− SE.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.